From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Progress report on dynamo testing, noting some slight noise.
| Identifier | WestWitteringFiles\G\October1921\ Scan20 | |
| Date | 18th October 1921 | |
| Contd. -2- EFC1/T18.10.21. carry more than two or three amperes. The quality of the job is similar to that of the previous machine. There is also some slight noise on the machine which at the moment we have not fully investigated. Apart from this, the dynamo has run consistently well through the tests so far. Further particulars of the machine will be included in a later report. EFC. | ||